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113203213 = 475994021
BaseRepresentation
bin1101011111101…
…01100000001101
321220000022121121
412233311200031
5212440000323
615122200541
72543132344
oct657654015
9256008547
10113203213
115899a282
1231ab3151
131a5b7366
141106ab5b
159e11a5d
hex6bf580d

113203213 has 8 divisors (see below), whose sum is σ = 115833600. Its totient is φ = 110582160.

The previous prime is 113203199. The next prime is 113203231. The reversal of 113203213 is 312302311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113203213 - 213 = 113195021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113201213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26143 + ... + 30163.

It is an arithmetic number, because the mean of its divisors is an integer number (14479200).

Almost surely, 2113203213 is an apocalyptic number.

It is an amenable number.

113203213 is a deficient number, since it is larger than the sum of its proper divisors (2630387).

113203213 is an equidigital number, since it uses as much as digits as its factorization.

113203213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113203213 is about 10639.6998547891. The cubic root of 113203213 is about 483.7484477601.

Adding to 113203213 its reverse (312302311), we get a palindrome (425505524).

The spelling of 113203213 in words is "one hundred thirteen million, two hundred three thousand, two hundred thirteen".

Divisors: 1 47 599 4021 28153 188987 2408579 113203213